Home / 508,187,766.60-762,848,520.30-474,884,130.60

Finding the Fourth Proportional to 508,187,766.60, 762,848,520.30 and 474,884,130.60

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Solution

The fourth proportional to 508,187,766.60, 762,848,520.30 and 474,884,130.60 is: 712,855,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,187,766.60 : 762,848,520.30 = 474,884,130.60 : x
  2. Step 2: Convert to fraction form
    508,187,766.60/762,848,520.30 = 474,884,130.60/x
  3. Step 3: Cross multiply
    508,187,766.60x = 762,848,520.30 × 474,884,130.60
  4. Step 4: Simplify right side
    508,187,766.60x = 362,264,656,342,161,920
  5. Step 5: Solve for x
    x = 362,264,656,342,161,920/508,187,766.60
  6. Step 6: Final answer
    x = 712,855,916.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.